diff --git a/build.gradle b/build.gradle
index e103d79..0c00da9 100644
--- a/build.gradle
+++ b/build.gradle
@@ -3,7 +3,7 @@
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:2.1.3'
+        classpath 'com.android.tools.build:gradle:2.2.0'
         classpath 'com.google.protobuf:protobuf-gradle-plugin:0.8.0'
     }
 }